64116560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21661}}^1$

素因数の和:21711

約数の個数: 40

約数和(自身を含む): 153107016

約数和(自身を除く): 88990456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 21661, 43322, 86644, 108305, 173288, 216610, 346576, 433220, 801457, 866440, 1602914, 1732880, 3205828, 4007285, 6411656, 8014570, 12823312, 16029140, 32058280, 64116560]

約数ペア:

[(1, 64116560), (2, 32058280), (4, 16029140), (5, 12823312), (8, 8014570), (10, 6411656), (16, 4007285), (20, 3205828), (37, 1732880), (40, 1602914), (74, 866440), (80, 801457), (148, 433220), (185, 346576), (296, 216610), (370, 173288), (592, 108305), (740, 86644), (1480, 43322), (2960, 21661)]